Season the chicken breasts with salt and pepper.
Heat olive oil in a large pot over medium heat and add the chicken.
Cook for 5 minutes per side until browned.
Remove and set aside.
In the same pot, add more olive oil if needed.
Sauté the chopped onion until translucent, about 4 minutes.
Add the minced garlic and spices, cooking for another minute.
Pour in the chicken broth and tomatoes.
Stir well, scraping up any browned bits.
Then, return the chicken to the pot.
Bring to a simmer.
Add black beans and corn.
Continue simmering for 20 minutes until the chicken is cooked through.
Remove the chicken, shred it, and return to the pot.
Serve hot, garnished with tortilla strips.
Enjoy a bowl of warm, comforting soup!